Electrical and Electronics 10, Electrical 20, 30, Electronics 20, A30, B30
ELEC20A
Module 20A: Manual Motor Starters (Optional)
Outcome
Explore the purpose and applications of manual motor starters.
Indicators
(a) Demonstrate safe practices when working with manual motor starters.
(b) Explain the purpose and operation of a manual motor starter.
(c) Describe the need for overload devices and their location in a motor circuit.
(d) Discuss factors (e.g., intended application, starter type, electrical specifications and features) to consider when selecting manual motor starters.
(e) Draw a schematic wiring diagram of a manual starting switch.
(f) Wire motor circuits containing manual starting switches.
(g) Draw schematic wiring diagrams for the different types (e.g., manual starting, manual stop-start, forward-reverse drum and reversing 2-pole contactor) of three-phase motor switches.
(h) Wire the connections for the different types of three-phase motor switches.
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